| Idar-Oberstein to Mendicino | 842.95 mi (1,356.60 km) |
| Idar-Oberstein to Menfi | 882.12 mi (1,419.63 km) |
| Idar-Oberstein to Mentana | 590.04 mi (949.58 km) |
| Idar-Oberstein to Merano | 274.80 mi (442.25 km) |
| Idar-Oberstein to Merate | 294.14 mi (473.37 km) |
| Idar-Oberstein to Mercato San Severino | 714.72 mi (1,150.23 km) |
| Idar-Oberstein to Mercogliano | 705.60 mi (1,135.56 km) |
| Idar-Oberstein to Mesagne | 811.08 mi (1,305.30 km) |
| Idar-Oberstein to Messina | 893.90 mi (1,438.59 km) |
| Idar-Oberstein to Mestre | 370.90 mi (596.91 km) |
| Idar-Oberstein to Mestrino | 360.10 mi (579.53 km) |
| Idar-Oberstein to Milan | 306.00 mi (492.47 km) |
| Idar-Oberstein to Milazzo | 885.39 mi (1,424.90 km) |
| Idar-Oberstein to Minerbio | 402.39 mi (647.58 km) |
| Idar-Oberstein to Minervino Murge | 730.37 mi (1,175.41 km) |
